Accor has announced it will open the world’s largest Novotel hotel in Madrid in 2016. Currently occupied by Hotel Convención, the third largest hotel in the Spanish capital, the property will be completely redesigned and refurbished before it reopens. The 790-room hotel is located in the center of the city in Calle O’Donnell near the Parque del Retiro. Read more over at Business Traveller.